chore(deps): update dependency hardhat to v2.6.6 (#46)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

package-lock.json

@@ -27,7 +27,7 @@
                 "chai-ethers": "0.0.1",
                 "dotenv": "10.0.0",
                 "ethers": "5.4.7",
-                "hardhat": "2.6.5",
+                "hardhat": "2.6.6",
                 "hardhat-deploy": "0.9.3",
                 "mocha-skip-if": "0.0.3",
                 "prettier": "2.4.1",
@@ -7147,9 +7147,9 @@
             }
         },
         "node_modules/hardhat": {
-            "version": "2.6.5",
-            "resolved": "https://registry.npmjs.org/hardhat/-/hardhat-2.6.5.tgz",
-            "integrity": "sha512-sBhREWZjQTtR/KMMp2F3ySuDqL0norjNq68geR3nlXRHXYKuNKeL7xqVsmldekt3sVB5Wh1WX7xDX79kvUr+fA==",
+            "version": "2.6.6",
+            "resolved": "https://registry.npmjs.org/hardhat/-/hardhat-2.6.6.tgz",
+            "integrity": "sha512-GneZAwvNxf3cNobYTmMSp2qGX/yJyUmHD/xjW+8zF2AgWkLS33CHmGn4aRFKqfjsk7BS7FU6jqMmmZhHHO3gUw==",
             "dev": true,
             "dependencies": {
                 "@ethereumjs/block": "^3.4.0",
@@ -19051,9 +19051,9 @@
             }
         },
         "hardhat": {
-            "version": "2.6.5",
-            "resolved": "https://registry.npmjs.org/hardhat/-/hardhat-2.6.5.tgz",
-            "integrity": "sha512-sBhREWZjQTtR/KMMp2F3ySuDqL0norjNq68geR3nlXRHXYKuNKeL7xqVsmldekt3sVB5Wh1WX7xDX79kvUr+fA==",
+            "version": "2.6.6",
+            "resolved": "https://registry.npmjs.org/hardhat/-/hardhat-2.6.6.tgz",
+            "integrity": "sha512-GneZAwvNxf3cNobYTmMSp2qGX/yJyUmHD/xjW+8zF2AgWkLS33CHmGn4aRFKqfjsk7BS7FU6jqMmmZhHHO3gUw==",
             "dev": true,
             "requires": {
                 "@ethereumjs/block": "^3.4.0",

package.json

@@ -39,7 +39,7 @@
         "chai-ethers": "0.0.1",
         "dotenv": "10.0.0",
         "ethers": "5.4.7",
-        "hardhat": "2.6.5",
+        "hardhat": "2.6.6",
         "hardhat-deploy": "0.9.3",
         "mocha-skip-if": "0.0.3",
         "prettier": "2.4.1",